#include<iostream>
#include<string>
#include<websocketpp/server.hpp>
#include<websocketpp/config/asio_no_tls.hpp>

typedef websocketpp::server<websocketpp::config::asio> wsserver_t;

void http_callback(wsserver_t *srv,websocketpp::connection_hdl hdl){
    wsserver_t::connection_ptr conn=srv->get_con_from_hdl(hdl);
    std::cout<<"body:"<<conn->get_request_body()<<std::endl;
    websocketpp::http::parser::request req=conn->get_request();
    std::cout<<"method:"<<req.get_method()<<std::endl;
    std::cout<<"uri:"<<req.get_uri()<<std::endl;

    std::string body="<html><body><h1>Hello World</h1></body></html>";
    conn->set_body(body);
    conn->append_header("Content-Type","text/html");
    conn->set_status(websocketpp::http::status_code::ok); 
}
void wsopen_callback(wsserver_t *srv,websocketpp::connection_hdl hdl){
    std::cout<<"websocket握手成功!!\n";
}
void wsclose_callback(wsserver_t *srv,websocketpp::connection_hdl hdl){
    std::cout<<"websocket连接断开!!\n";
}
void wsmsg_callback(wsserver_t *srv,websocketpp::connection_hdl hdl,wsserver_t::message_ptr msg){
    wsserver_t::connection_ptr conn=srv->get_con_from_hdl(hdl);
    std::cout<<"wsmsg:"<<msg->get_payload()<<std::endl;
    std::string rsp="client say:"+msg->get_payload();
    conn->send(rsp,websocketpp::frame::opcode::text);
}
int main()
{
    //1.实例化server对象
    wsserver_t wssrv;
    //2.设置日志等级
    wssrv.set_access_channels(websocketpp::log::alevel::none);
    //3.初始化asio调度器
    wssrv.init_asio();
    wssrv.set_reuse_addr(true);
    //4.设置回调函数
    wssrv.set_http_handler(std::bind(http_callback,&wssrv,std::placeholders::_1));
    wssrv.set_open_handler(std::bind(wsopen_callback,&wssrv,std::placeholders::_1));
    wssrv.set_close_handler(std::bind(wsclose_callback,&wssrv,std::placeholders::_1));
    wssrv.set_message_handler(std::bind(wsmsg_callback,&wssrv,std::placeholders::_1,std::placeholders::_2));
    //5.设置监听端口
    wssrv.listen(8085);
    //6.开始获取新连接
    wssrv.start_accept();
    //7.启动服务器
    wssrv.run();
    return 0;
}